Analysis

  • max time kernel
    106s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    17/07/2020, 17:42

General

  • Target

    DOC.exe

  • Size

    766KB

  • MD5

    c7685d6c04940a9a9bdce7645ad5121d

  • SHA1

    352ad790c8582959f43c453d4918f02a0333afdc

  • SHA256

    0c39b4af77c7279bf8a36e9e337f0ca1af96ca31c1fda5599c5dc8183118e54c

  • SHA512

    71ddb906085282566d41c2527a721013349e4c7df6cfd676584c03702c789d9313dcb1363679af78ce57123129491bb657c9c60c34cda262fe0ff4d05140ea61

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aquariuslogistics.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    AQL@2019#$

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOC.exe
    "C:\Users\Admin\AppData\Local\Temp\DOC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTIClpBZBl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF758.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1788
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:1836
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
        • Drops file in Drivers directory
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1824
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
          3⤵
          • Modifies registry key
          PID:1904

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1824-4-0x0000000000400000-0x0000000000474000-memory.dmp

            Filesize

            464KB

          • memory/1824-6-0x0000000000400000-0x0000000000474000-memory.dmp

            Filesize

            464KB

          • memory/1824-7-0x0000000000400000-0x0000000000474000-memory.dmp

            Filesize

            464KB